比较完整的android MP3 LRC歌词滚动高亮显示(附源码)

        float plus = currentDunringTime == 0 ? 30
                : 30
                        + (((float) currentTime - (float) sentenctTime) / (float) currentDunringTime)
                        * (float) 30;
        // 向上滚动 这个是根据歌词的时间长短来滚动，整体上移
        canvas.translate(0, -plus);

 public void updateIndex(long time) {
  this.currentTime = time;
  // 歌词序号
  index = mLyric.getNowSentenceIndex(time);
  if (index != -1) {
   Sentence sen = Sentencelist.get(index);
   sentenctTime = sen.getFromTime();
   currentDunringTime = sen.getDuring();
  }
 }

 class UIUpdateThread implements Runnable {
  long time = 100; // 滚动速度
  public void run() {
   while (mp.isPlaying()) {
    lyricView.updateIndex(mp.getCurrentPosition());
    mHandler.post(mUpdateResults);
    try {
     Thread.sleep(time);
    } catch (InterruptedException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   }
  }
 }